St. Robert: Demographics & People
St. Robert is home to 5,356 people, in 2,533 households. Population grew 0.5% from 5,327 (2022) to 5,356 (2024). Median age 32.8 years. (5.0y older than Pulaski County; 6.4y younger than Missouri). Children under 18 are 22% of the population. Population is 66% White (non-Hispanic) and 10% Black. The community is moderately diverse (Simpson index 0.47). 52% of households are family-led. County is losing 543 residents per year (2022-2023). County health: 35% adult obesity, 18% smoke.
- 2.1 people per household.
- 48% non-family households (singles, roommates).
Population & Trend
Population grew 0.5% from 5,327 (2022) to 5,356 (2024) — close to the U.S. annual rate of ~0.6%/yr. Estimated 2026 population: ~5,384 (extrapolated at 0.3%/yr trend). Census Bureau Vintage estimate: 5,423.
| Census data vintage | 2024 |
|---|---|
| Population | 53,955 people |
| Annual growth rate · Population change | 0.5% |
| Annual growth rate · Population (2022) | 5,327 |
| Annual growth rate · Population (2024) | 5,356 |
| Annual growth rate · Population growing | Yes |
| Annual growth rate · Trend category | stable |
| Population | 5,356 people |
| Population Estimate | 5,423 |
Sources: Census ACS 5-Year 2023, Table B01003 · Refreshed 2026-04-12
Age Distribution
Median age 32.8y is 6.1 years younger than the U.S. median (38.9y). Children under 18 make up 22% — near the U.S. share of ~22%.
| Age Summary · Median age | 32.8 years (vs Missouri 39.2y) |
|---|---|
| Age Summary · Children Pct | 22.1% |
| Age Summary · Character | young professional |
| Population under 18 | 1,186 |
| Median age | 32.8 years (vs Missouri 39.2y) |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Race, Ethnicity & Diversity
Of 5,356 residents, race / ethnicity breaks down by Census ACS counts (a person can identify with one or more groups). The Simpson diversity index is 0.47 (0 = single group, 1 = perfectly even distribution); this is read as moderately diverse.
| White residents | 3,455 |
|---|---|
| Black residents | 528 |
| Asian residents | 325 |
| Hispanic or Latino residents | 608 |
| Diversity Index · Diversity index (Simpson) | 47.5% |
| Diversity Index · Diversity label | moderately diverse |
| Diversity Index · Groups counted | 4 |
| Diversity Index · Largest group share | 70.3% |
| Asian population | 6.0% |
| Black population | 10.4% |
| Hispanic or Latino population | 6.8% |
| White (non-Hispanic) population | 65.9% |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Ancestry
Self-reported ancestry from Census ACS — what residents report as their ethnic origin, separate from race. Counts can exceed population because people can list multiple ancestries.
Top (8)
Citizenship & Origin
Where residents were born and their citizenship status (Census ACS). 6.4% are foreign-born — below the U.S. average of 13.9%. 9% have naturalized to U.S. citizenship.
| Residents born in this state | 1,472 |
|---|---|
| Residents born in another state | 3,054 |
| Share born in this state | 27.5% |
| Share born in another state | 72.5% |
| Native-born U.S. citizens | 57.0% |
| Foreign-born residents | 6.4% |
| Naturalized citizens | 9.1% |
| Total foreign-born residents | 530 |
| From Europe | 131 |
| From Africa | 319 |
Households & Family Composition
2,533 households. Averaging 2.3 people each — smaller than the U.S. average of 2.5. 52% are family households — below the U.S. share of ~65%. Of 1,209 families, 51% are married couples with children.
| Children under 18 | 1,259 |
|---|---|
| Total families | 1,209 |
| Married couples with children | 611 |
| Single-parent households | 55 |
| Average household size | 2.26 |
| Women who gave birth (past year) | 14.8% |
| Grandparents living with grandchildren | 26 |
| Family households | 1,315 households |
| Households that are families | 51.9% |
| Total households | 2,533 households |
Sources: Census ACS 5-Year 2023 · Refreshed 2026-04-12
Residential Stability & Migration
How long residents have lived here and where they came from. 15.7% moved within the county in the past year — the U.S. baseline is roughly 8–10%. The surrounding county is losing 543 residents per year on net (IRS migration data).
| Moved within the county (past year) | 15.7% |
|---|---|
| Migration · People moving in (annual) | 50,774 |
| Migration · People moving out (annual) | 51,317 |
| Migration · Net migration (in − out) | -543 |
| Migration · Year | 2022-2023 |
Sources: IRS SOI Migration 2021-2022 · Refreshed 2026-04-12
Disability
Census ACS measures self-reported functional limitations — vision, hearing, mobility, cognitive, self-care, or independent-living. The U.S. baseline disability rate is about 12–13%; rates trend higher with median age.
| Residents with a disability | 625 |
|---|---|
| Disability rate | 13.0% |
Group Quarters
Group quarters are non-household living arrangements counted by the Census — college dormitories, nursing homes, military barracks, group homes, correctional facilities, and similar institutional or shared housing. 6 residents live in group quarters (0.1% of population).
| Living in group quarters | 6 |
|---|
Other
| Congressional District · District | 4 |
|---|---|
| Congressional District · Formatted | MO-04 |
| Congressional District · Congress | 118th |
| Cdc Birth Rate · Fips | 29,169 |
| Cdc Birth Rate · State Fips | 29 |
| Cdc Birth Rate · County Fips | 169 |
| Cdc Birth Rate · County | Pulaski |
| Cdc Birth Rate · Birth Rate | 21.6% |
| Cdc Birth Rate · Lower Ci | 18.50 |
| Cdc Birth Rate · Upper Ci | 25.10 |
| Cdc Mortality · Fips | 29,169 |
| Cdc Mortality · County | Pulaski County |
| Cdc Mortality · Urban Rural | Micropolitan |
| Cdc Mortality · Total Deaths 2020 2023 | 925 |
| Cdc Vaccination · Fips | 29,169 |
| Cdc Vaccination · County | Pulaski County |
| Cdc Vaccination · Dose1 Pop Pct | 68.5% |
| Cdc Vaccination · Series Complete Pct | 62.4% |
| Cdc Vaccination · Booster Pct | 28.1% |
| Cdc Vaccination · Population 2019 | 52,607 |
| Cdc Vaccination · Metro Status | Non-metro |
| Family Score · Score | 7.00 |
| Family Score · Schools | 12 |
| Family Score · Children Pct | 22.1% |
| Family Score · Rating | good |
| Town Summary · Key Facts | population 5,356, stable, young professional, middle-class, mixed |
| Town Summary · Population | 5,356 people |
| Town Summary · County | Pulaski County |
Sources: Census place-to-CD118 crosswalk (place_fips) · federal dataset cascade